/*
 * Copyright (C) 2008-2010 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2006-2009 ScriptDev2 <https://scriptdev2.svn.sourceforge.net/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "ScriptPCH.h"
#include "ScriptedEscortAI.h"

/*######
 ## npc_galen_goodward
 ######*/

enum Galen {
    QUEST_GALENS_ESCAPE = 1393,

    GO_GALENS_CAGE = 37118,

    SAY_PERIODIC = -1000500,
    SAY_QUEST_ACCEPTED = -1000501,
    SAY_ATTACKED_1 = -1000502,
    SAY_ATTACKED_2 = -1000503,
    SAY_QUEST_COMPLETE = -1000504,
    EMOTE_WHISPER = -1000505,
    EMOTE_DISAPPEAR = -1000506
};

class npc_galen_goodward: public CreatureScript {
public:

    npc_galen_goodward() :
            CreatureScript("npc_galen_goodward") {
    }

    bool OnQuestAccept(Player* pPlayer, Creature* pCreature,
            Quest const *quest) {
        if (quest->GetQuestId() == QUEST_GALENS_ESCAPE) {
            CAST_AI(npc_galen_goodward::npc_galen_goodwardAI, pCreature->AI())->Start(
                    false, false, pPlayer->GetGUID());
            pCreature->setFaction(FACTION_ESCORT_N_NEUTRAL_ACTIVE);
            DoScriptText(SAY_QUEST_ACCEPTED, pCreature);
        }
        return true;
    }

    CreatureAI* GetAI(Creature* pCreature) const {
        return new npc_galen_goodwardAI(pCreature);
    }

    struct npc_galen_goodwardAI: public npc_escortAI {
        npc_galen_goodwardAI(Creature* pCreature) :
                npc_escortAI(pCreature) {
            m_uiGalensCageGUID = 0;
            Reset();
        }

        uint64 m_uiGalensCageGUID;
        uint32 m_uiPeriodicSay;

        void Reset() {
            m_uiPeriodicSay = 6000;
        }

        void EnterCombat(Unit* pWho) {
            if (HasEscortState(STATE_ESCORT_ESCORTING))
                DoScriptText(RAND(SAY_ATTACKED_1, SAY_ATTACKED_2), me, pWho);
        }

        void WaypointStart(uint32 uiPointId) {
            switch (uiPointId) {
            case 0: {
                GameObject* pCage = NULL;
                if (m_uiGalensCageGUID)
                    pCage = me->GetMap()->GetGameObject(m_uiGalensCageGUID);
                else
                    pCage = GetClosestGameObjectWithEntry(me, GO_GALENS_CAGE,
                            INTERACTION_DISTANCE);
                if (pCage) {
                    pCage->UseDoorOrButton();
                    m_uiGalensCageGUID = pCage->GetGUID();
                }
                break;
            }
            case 21:
                DoScriptText(EMOTE_DISAPPEAR, me);
                break;
            }
        }

        void WaypointReached(uint32 uiPointId) {
            switch (uiPointId) {
            case 0:
                if (GameObject* pCage = me->GetMap()->GetGameObject(m_uiGalensCageGUID))
                    pCage->ResetDoorOrButton();
                break;
            case 20:
                if (Player* pPlayer = GetPlayerForEscort()) {
                    me->SetFacingToObject(pPlayer);
                    DoScriptText(SAY_QUEST_COMPLETE, me, pPlayer);
                    DoScriptText(EMOTE_WHISPER, me, pPlayer);
                    pPlayer->GroupEventHappens(QUEST_GALENS_ESCAPE, me);
                }
                SetRun(true);
                break;
            }
        }

        void UpdateAI(const uint32 uiDiff) {
            npc_escortAI::UpdateAI(uiDiff);

            if (HasEscortState(STATE_ESCORT_NONE))
                return;

            if (m_uiPeriodicSay < uiDiff) {
                if (!HasEscortState(STATE_ESCORT_ESCORTING))
                    DoScriptText(SAY_PERIODIC, me);
                m_uiPeriodicSay = 15000;
            } else
                m_uiPeriodicSay -= uiDiff;

            DoMeleeAttackIfReady();
        }
    };
};

void AddSC_swamp_of_sorrows() {
    new npc_galen_goodward();
}
